Prerequisite: Assassin class, executioner Blindside (11th level): If you are hidden from your enemies at the start of an encounter, you gain a +4 bonus to your first attack roll during the encounter. Devastating Assassination (11th level): When you use assassin's strike, increase the extra damage it deals by 2d10. Executioner's Action (11th level): When you spend an action point to make an attack and you roll a 1, 2, or 3 on any damage die associated with that attack (including extra damage from assassin's strike or critical hit dice), that die instead deals 4 damage.